Base | Representation |
---|---|
bin | 1101001011010101… |
… | …00101110000100000 |
3 | 200021000200100212111 |
4 | 12211222211300200 |
5 | 103442014411030 |
6 | 3125552205104 |
7 | 340211114056 |
oct | 64552456040 |
9 | 20230610774 |
10 | 7074372640 |
11 | 3000331965 |
12 | 1455239794 |
13 | 889845b1a |
14 | 4b179a1d6 |
15 | 2b610a62a |
hex | 1a5aa5c20 |
7074372640 has 24 divisors (see below), whose sum is σ = 16713205740. Its totient is φ = 2829748992.
The previous prime is 7074372623. The next prime is 7074372667. The reversal of 7074372640 is 462734707.
It can be written as a sum of positive squares in 2 ways, for example, as 6758812944 + 315559696 = 82212^2 + 17764^2 .
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 7074372593 and 7074372602.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22107255 + ... + 22107574.
Almost surely, 27074372640 is an apocalyptic number.
It is an amenable number.
7074372640 is an abundant number, since it is smaller than the sum of its proper divisors (9638833100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7074372640 is a wasteful number, since it uses less digits than its factorization.
7074372640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44214844 (or 44214836 counting only the distinct ones).
The product of its (nonzero) digits is 197568, while the sum is 40.
The square root of 7074372640 is about 84109.2898555207. The cubic root of 7074372640 is about 1919.6820798838.
The spelling of 7074372640 in words is "seven billion, seventy-four million, three hundred seventy-two thousand, six hundred forty".
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